*{box-sizing:border-box}
:root{
  --bg:#09090d;--surface:#101015;--surface2:#15151d;--line:#24242f;
  --text:#f2f3f7;--muted:#77798b;--green:#6ef0a7;--green2:#1ebf72;
  --red:#ff657a;--purple:#7774ff;--purple2:#a09dff;--before:#30313a;
}
html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
body{background-image:radial-gradient(ellipse 75% 42% at 50% -10%,rgba(80,95,255,.13),transparent 70%);padding:0 0 calc(34px + env(safe-area-inset-bottom))}
button,input,select{font:inherit}
button{-webkit-tap-highlight-color:transparent}
.app-shell{width:min(100%,520px);margin:0 auto;padding:18px 16px 40px}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:4px 2px 16px}
.eyebrow,.section-kicker{font-size:10px;letter-spacing:.28em;color:var(--muted);font-weight:700}
.topbar h1,.page-head h2,.activity-head h3{margin:4px 0 0;line-height:1.05}
.topbar h1{font-size:28px}.page-head h2{font-size:22px}.activity-head h3{font-size:16px}
.global-dot{width:10px;height:10px;border-radius:50%;background:#383943;box-shadow:0 0 0 5px rgba(255,255,255,.025)}
.global-dot.online{background:var(--green);box-shadow:0 0 18px rgba(110,240,167,.55)}
.tabs{display:grid;grid-template-columns:1fr 1fr;gap:7px;padding:5px;border:1px solid var(--line);background:#0e0e14;border-radius:15px;position:sticky;top:8px;z-index:20;backdrop-filter:blur(14px)}
.tab{border:0;background:transparent;color:var(--muted);border-radius:11px;padding:11px 8px;display:flex;align-items:center;justify-content:center;gap:7px;font-size:10px;font-weight:800;letter-spacing:.15em;cursor:pointer}
.tab.active{color:#fff;background:#191922;box-shadow:inset 0 0 0 1px #292937,0 4px 18px rgba(0,0,0,.22)}
.tab-icon{font-size:14px;letter-spacing:0}
.tab-page{display:none;padding-top:22px}.tab-page.active{display:block}
.page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;margin-bottom:18px}
.section-kicker{margin:0}.section-kicker.purple{color:#7774aa}
.device-state{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);background:#111117;border-radius:999px;padding:7px 9px;color:var(--muted);font-size:9px;letter-spacing:.1em}
.device-state span{width:7px;height:7px;border-radius:50%;background:#555663}
.device-state.online{color:#bff7d7;border-color:rgba(110,240,167,.24);background:rgba(110,240,167,.06)}
.device-state.online span{background:var(--green);box-shadow:0 0 12px rgba(110,240,167,.8)}
.device-state.offline{color:#ff9dad;border-color:rgba(255,101,122,.24);background:rgba(255,101,122,.06)}
.device-state.offline span{background:var(--red)}
.relay-grid{display:grid;grid-template-columns:1fr 1fr;gap:11px;margin-bottom:12px}
.relay-card{min-height:150px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(180deg,#121218,#0f0f14);color:var(--muted);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:9px;cursor:pointer;transition:transform .12s,border-color .2s,background .2s,box-shadow .2s}
.relay-card:active{transform:scale(.975)}
.relay-card.active{color:#eafff3;border-color:rgba(110,240,167,.48);background:linear-gradient(180deg,rgba(45,188,111,.16),rgba(15,15,20,.98));box-shadow:0 0 32px rgba(58,220,132,.08)}
.relay-led{width:33px;height:33px;border-radius:50%;background:#24252c;border:1px solid #32333d}
.relay-card.active .relay-led{background:var(--green);box-shadow:0 0 26px rgba(110,240,167,.55)}
.relay-title{font-size:12px;letter-spacing:.25em;font-weight:800;margin-left:.25em}
.relay-state{font-size:10px;color:#555767;letter-spacing:.12em}
.relay-card.active .relay-state{color:#8be6b4}
.status-card,.activity-card,.rgb-card{border:1px solid var(--line);background:rgba(16,16,21,.94);border-radius:16px;padding:16px;margin-bottom:12px}
.status-row{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:4px 0;font-size:12px}
.status-row+ .status-row{margin-top:9px;padding-top:12px;border-top:1px solid #1e1e27}
.status-row span{color:var(--muted)}.status-row strong{font-size:11px;text-align:right;font-weight:650}
.activity-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:13px}
.range-select{background:#0c0c11;color:#c9cad4;border:1px solid var(--line);border-radius:9px;padding:8px 9px;font-size:10px;outline:none}
.activity-canvas{display:block;width:100%;height:84px;border-radius:10px;background:#0b0b10}
.legend{display:flex;flex-wrap:wrap;gap:12px;margin-top:10px;color:var(--muted);font-size:9px}
.legend span{display:flex;align-items:center;gap:5px}.legend i{display:block;width:8px;height:8px;border-radius:2px}
.legend i.online{background:#37c87f}.legend i.down{background:#d45167}.legend i.before{background:#30313a}
.activity-note{font-size:10px;color:#5c5d6b;margin:10px 0 0;min-height:14px}
.rgb-orb{width:112px;height:112px;border-radius:50%;background:#000;margin:4px auto 20px;border:1px solid var(--line);transition:background .2s,box-shadow .2s}
.hex-row{display:flex;align-items:center;gap:10px;margin:12px 0 18px}
input[type=color]{width:48px;height:39px;border:1px solid var(--line);border-radius:9px;background:none;cursor:pointer;padding:3px;flex-shrink:0}
.hex-in{flex:1;min-width:0;background:#0b0b10;border:1px solid var(--line);border-radius:9px;color:var(--text);font-family:"Courier New",monospace;font-size:13px;padding:10px 11px;text-transform:uppercase;letter-spacing:.1em;outline:none}
.hex-in:focus{border-color:var(--purple)}
.slider-row{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.slider-row:last-of-type{margin-bottom:0}
.ch{font-size:10px;width:11px;font-family:"Courier New",monospace}.ch-r{color:#ff6575}.ch-g{color:#64f296}.ch-b{color:#689cff}
input[type=range]{flex:1;min-width:0;-webkit-appearance:none;appearance:none;height:4px;border-radius:3px;outline:none;cursor:pointer;background:#20212a}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:17px;height:17px;border-radius:50%;background:#fff;box-shadow:0 0 8px rgba(255,255,255,.28)}
input[type=range]::-moz-range-thumb{width:17px;height:17px;border-radius:50%;border:0;background:#fff}
.num{width:34px;text-align:right;color:var(--muted);font-size:11px;font-variant-numeric:tabular-nums}
.bri-row{display:flex;align-items:center;gap:10px;margin-top:16px;padding-top:15px;border-top:1px solid #20212a}
.mini-label{font-size:9px;letter-spacing:.16em;color:var(--muted)}
.bri-track{height:4px;flex:1;background:#252630;border-radius:4px;overflow:hidden}.bri-fill{height:100%;width:0;background:linear-gradient(90deg,#3a3a42,#fff)}
.mode-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:12px}
.mode-btn{border:1px solid var(--line);background:#101015;color:#676979;border-radius:12px;padding:13px 8px;cursor:pointer;font-size:13px;transition:all .15s}
.mode-btn span{font-size:9px;letter-spacing:.16em;font-weight:800;margin-left:5px}
.mode-btn:active{transform:scale(.975)}
.mode-btn.on{color:#efefff;border-color:rgba(119,116,255,.55);background:rgba(119,116,255,.1);box-shadow:0 0 24px rgba(119,116,255,.11)}
.mode-btn.off.on{color:#ff9baa;border-color:rgba(255,101,122,.5);background:rgba(255,101,122,.08)}
.presets{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-top:13px}
.swatch{width:31px;height:31px;border-radius:50%;border:2px solid #181820;cursor:pointer;box-shadow:0 0 0 1px #2a2a34;transition:transform .12s}
.swatch:active{transform:scale(.86)}
.safe-note{text-align:center;color:#4e4f5c;font-size:9px;margin:15px 0 0}
.busy-overlay{display:none;position:fixed;inset:0;z-index:100;background:rgba(7,7,10,.34);align-items:center;justify-content:center;pointer-events:none}
.spinner{width:30px;height:30px;border:3px solid rgba(255,255,255,.15);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
@media(max-width:360px){.app-shell{padding-left:12px;padding-right:12px}.relay-card{min-height:135px}.status-row{font-size:11px}}


/* v2: uptime summary + per-device settings */
.head-actions{display:flex;align-items:center;gap:8px}
.gear-btn{width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:#111117;color:#858797;display:grid;place-items:center;font-size:16px;cursor:pointer;line-height:1;transition:.15s}
.gear-btn:hover,.gear-btn:focus-visible{color:#fff;border-color:#414250;outline:none}
.gear-btn:active{transform:scale(.94)}
.uptime-summary{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:10px;padding:11px 12px;border:1px solid #20212a;border-radius:11px;background:#0d0d12}
.uptime-main{display:flex;flex-direction:column;gap:2px}
.uptime-main span{font-size:8px;letter-spacing:.2em;color:var(--muted);font-weight:800}
.uptime-main strong{font-size:22px;line-height:1;color:#bff7d7;font-variant-numeric:tabular-nums}
.uptime-detail{display:flex;flex-direction:column;gap:4px;text-align:right;color:#666876;font-size:9px}
.uptime-detail b{color:#c4c6d0;font-weight:650;font-variant-numeric:tabular-nums;margin-left:4px}
.settings-open{overflow:hidden}
.settings-overlay{display:none;position:fixed;inset:0;z-index:80;background:rgba(5,5,8,.76);backdrop-filter:blur(10px);overflow:auto;padding:0 0 env(safe-area-inset-bottom)}
.settings-overlay.open{display:block}
.settings-shell{width:min(100%,520px);min-height:100%;margin:0 auto;padding:22px 16px 42px;background:linear-gradient(180deg,rgba(13,13,19,.98),rgba(9,9,13,.99))}
.settings-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.settings-head h2{font-size:24px;margin:4px 0 0}
.settings-close{width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:#121218;color:#aaa;cursor:pointer;font-size:25px;line-height:1}
.settings-card{border:1px solid var(--line);background:#101015;border-radius:16px;padding:16px;margin-bottom:12px}
.settings-title{font-size:13px;font-weight:750;margin:0 0 7px}
.settings-copy{color:#77798b;font-size:11px;line-height:1.55;margin:0 0 14px}
.settings-hint,.settings-footnote{color:#575966;font-size:9px;line-height:1.5}
.settings-hint{margin:11px 1px 0}.settings-footnote{text-align:center;margin:16px 14px 0}
.settings-card label{display:block;color:#77798b;font-size:9px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;margin:12px 0}
.settings-card label input{display:block;width:100%;margin-top:7px;background:#0b0b10;border:1px solid var(--line);color:#f2f3f7;border-radius:10px;padding:11px 12px;font-size:13px;letter-spacing:0;text-transform:none;outline:none}
.settings-card label input:focus{border-color:#55576a}
.settings-action{display:flex;width:100%;min-height:42px;align-items:center;justify-content:center;text-decoration:none;border:1px solid rgba(110,240,167,.32);background:rgba(110,240,167,.09);color:#c8f9dc;border-radius:11px;padding:10px 12px;font-size:9px;font-weight:800;letter-spacing:.13em;cursor:pointer}
.settings-action.secondary{border-color:#30313c;background:#15151c;color:#c2c3cb}
.settings-action.purple-action{border-color:rgba(119,116,255,.4);background:rgba(119,116,255,.1);color:#d9d8ff}
.danger-card{border-color:rgba(255,101,122,.2)}
.settings-action.danger{border-color:rgba(255,101,122,.38);background:rgba(255,101,122,.08);color:#ffacb8}
@media(max-width:390px){
  .device-state{padding:7px 8px}.head-actions{gap:6px}.gear-btn{width:32px;height:32px}
  .uptime-main strong{font-size:20px}
}


/* v4: installable PWA + dark launch/splash */
html{background:#090910}
html,body{overscroll-behavior-y:none}
.topbar-actions{display:flex;align-items:center;gap:12px}
.install-app-btn{width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:#111117;color:#c8c9d1;display:grid;place-items:center;cursor:pointer;font-size:18px;font-weight:800;line-height:1;box-shadow:0 0 0 5px rgba(255,255,255,.015)}
.install-app-btn:hover,.install-app-btn:focus-visible{outline:none;color:#fff;border-color:#414250}
.install-app-btn:active{transform:scale(.94)}
.install-app-btn[hidden]{display:none!important}

.launch-splash{position:fixed;inset:0;z-index:9999;background:#090910;display:grid;place-items:center;padding:max(24px,env(safe-area-inset-top)) 24px max(24px,env(safe-area-inset-bottom));transition:opacity .28s ease,visibility .28s ease}
.launch-splash::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 70% 45% at 50% 35%,rgba(90,95,255,.14),transparent 72%);pointer-events:none}
.launch-splash-inner{position:relative;text-align:center;display:flex;flex-direction:column;align-items:center}
.launch-splash img{width:112px;height:112px;border-radius:25%;filter:drop-shadow(0 14px 38px rgba(0,0,0,.38));margin-bottom:18px}
.launch-splash-title{font-size:24px;font-weight:750;letter-spacing:-.02em;color:#f2f3f7}
.launch-splash-sub{margin-top:8px;font-size:9px;font-weight:800;letter-spacing:.24em;color:#656779}
.launch-splash-sub span{color:#7774ff;margin:0 5px}
.launch-splash.hide{opacity:0;visibility:hidden;pointer-events:none}

@media (display-mode:standalone){
  body{padding-top:env(safe-area-inset-top)}
  .app-shell{padding-top:14px}
}
@media (prefers-reduced-motion:reduce){
  .launch-splash{transition:none}
}